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$C_p(X)$中代数结构的拓扑视角

A topological view of algebraic structures in $C_p(X)$

Pratip Nandi, Soumajit Dey, Amrita Dey, Sudip Kumar Acharyya

arXiv 2608.25110首次发表:更新:

AI 中文总结

该研究从拓扑角度刻画$C_p(X)$中理想闭包,关联$C(X)$子环稠密性与分点性,还明确$C_p(X)$相关性质对应Tychonoff空间$X$的拓扑特征。

AI 中文摘要

本文聚焦$C_p(X)$中代数结构的拓扑行为,确定了$C_p(X)$中理想的闭包,并用以刻画基础Tychonoff空间$X$的多种拓扑性质,包括紧空间、局部紧空间、局部伪紧空间、$P$-空间、几乎$P$-空间及正规空间。此外,已证明空间$X$是完全分离空间当且仅当$C(X)$中所有单位的集合在$C_p(X)$中稠密;$C(X)$的子环在$C_p(X)$中稠密当且仅当它可分点。

英文摘要

This manuscript focuses on the topological behaviour of algebraic structures in $C_p(X)$. Closure of ideals in $C_p(X)$ is determined and are used to characterise various topological properties of the underlying Tychonoff space $X$. These include compact space, locally compact space, locally pseudocompact space, $P$-space, almost $P$-space and normal space. Moreover, it has been established that a space $X$ is totally separated space if and only if the set of all units in $C(X)$ is dense in $C_p(X)$. A subring of $C(X)$ is found to be dense in $C_p(X)$ when and only when it separates points.

论文原文

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